This is all writing.
3 seconds sound clip from the The Dark Crystal (1982) movie soundboard.
You can hear this line at 00:53:01 in the Blu-ray version of the movie.
Quote context
[...]
- We don't go in here anymore. Bad things happened in here once.
- But they were Gelfling, like us.
- Yes. They were all killed by the Skeksis long ago.
- Just look at this. That... That looks just like the Shard.
- And what are those funny marks?
- Words that stay. My master taught me.
- By Gelfling hand? Do you know what that means?
- Wait. This is a piece of the Dark Crystal.
[...]